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. 2013 Oct;36(10):3328-32.
doi: 10.2337/dc13-0119. Epub 2013 Jul 11.

Stress-induced hyperglycemia after hip fracture and the increased risk of acute myocardial infarction in nondiabetic patients

Yan Chen  1 , Xincun Yang, Kang Meng, Zechun Zeng, Baotong Ma, Xingpeng Liu, Baoqing Qi, Shuangshuang Cui, Peihong Cao, Yan Yang
Affiliations

Stress-induced hyperglycemia after hip fracture and the increased risk of acute myocardial infarction in nondiabetic patients

Yan Chen et al. Diabetes Care. 2013 Oct.

Abstract

Objective: To investigate the risk of acute myocardial infarction (AMI) following stress hyperglycemia after hip fracture.

Research design and methods: From February 2007 to February 2012, we carried out a prospective observational analysis of 1,257 consecutive patients with no history of diabetes who suffered hip fractures. Fasting blood glucose (FBG) and glycosylated hemoglobin tests as well as electrocardiography, ultrasonic cardiography, and chest X-ray examinations were performed after admission. All selected hip fracture patients were divided into stress hyperglycemia and non-hyperglycemia groups according to their FBG, and the incidence of AMI was monitored.

Results: Among the patients enrolled, the frequency of stress hyperglycemia was 47.89% (602/1,257) and that of AMI was 9.31% (117/1,257), and the occurrence of AMI in the stress hyperglycemia group was higher than in the non-hyperglycemia group (12.46 vs. 6.41%, P<0.05). In the stress hyperglycemia patients, FBG reached maximum levels at 2-3 days after hip fractures and then decreased gradually. The AMI incidence (62.67% [47/75]) of the stress hyperglycemia group was highest in the initial 3 days after hip fracture, significantly coinciding with the FBG peak time (P<0.05). In all patients with AMI, non-ST-segment elevation myocardial infarction occurred more often than ST-segment elevation myocardial infarction (62.39% [73/117] vs. 37.61% [44/117]).

Conclusions: Stress-induced hyperglycemia after hip fracture increased the risk of AMI.

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Figures

Figure 1
Figure 1
Correlation between the days after fracture and FBG.
See this image and copyright information in PMC

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